Pippa Middleton is celebrating her birthday! All about her bond with her sister, Kate Middleton, and their Wimbledon outing with Princess Charlotte amid the Princess of Wales' cancer treatment.

Pippa Middleton showed her hind-end at Kate Middleton's royal wedding. No, really! While all eyes were supposed to be on the blushing bride as Kate Middleton made her grand entrance into ...

Pippa’s ring is not worth as much as Kate’s though as the jewelry expert noted, the Princess of Wales’s ring today would retail for more than $400,000. Best in News Why Is Sean ‘Diddy ...

While once inseparable, Kate Middleton and younger sister Pippa are said to be on the outs as their lives "couldn't be more different," RadarOnline.com can reveal. With less than two years in age ...

Kate Middleton and Prince William at their wedding. FilmMagic “I wanted one day to experience what they were experiencing as a couple,” James said about the pair, who share three children ...

Pippa Middleton (L) and Catherine, Princess of Wales. Photo by Clive Brunskill/Getty Images. Earlier this month, insiders also told The Times that Pippa and Kate’s bond has strengthened.

Pippa Middleton has something special to celebrate this weekend — her 41st birthday!. Kate Middleton's younger sister turned 41 on Sept. 6, inspiring a look back at the key way she supported her ...